BQ25504 Datasheet, PDF (10/24 Pages) Texas Instruments – Ultra Low Power Boost Converter with Battery Management for Energy Harvester Applications

bq25504
SLUSAH0 – OCTOBER 2011
TYPICAL CHARACTERISTICS
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100
90 ^{IIN = 10µA}
80
70
60
50
40
30
20
10
VSTOR = 1.8V
VSTOR = 3V
0
VSTOR = 5.5V
−10
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 2.2 2.4 2.6 2.8 3
Input Voltage (V)
G001
Figure 6. Efficiency vs Input Voltage
100
90 ^{IIN = 100µA}
80
70
60
50
40
30
20
VSTOR = 3.3 V
10
VSTOR = 1.8 V
VSTOR = 5.5 V
0
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 2.2 2.4 2.6 2.8 3
Input Voltage (V)
G002
Figure 7. Efficiency vs Input Voltage
100
I_IN = 10mA
90
80
70
60
50
40
VSTOR = 3V
30
VSTOR = 1.8V
VSTOR = 5.5V
20
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 2.2 2.4 2.6 2.8 3
Input Voltage (V)
G003
Figure 8. Efficiency vs Input Voltage
100
V_IN = 2V
90
80
70
60
50
40
0.01
VSTOR = 3V
VSTOR = 1.8V
VSTOR = 5.5V
0.1
1
10
Input Current (mA)
Figure 9. Efficiency vs Input Current
100
G004
90
V_IN = 1V
80
70
60
50
40
0.01
VSTOR = 3V
VSTOR = 1.8V
VSTOR = 5.5V
0.1
1
10
Input Current (mA)
Figure 10. Efficiency vs Input Current
100
G005
90
V_IN = 0.5V
80
70
60
50
40
30
20
0.01
VSTOR = 3V
VSTOR = 1.8V
VSTOR = 5.5V
0.1
1
10
Input Current (mA)
Figure 11. Efficiency vs Input Current
100
G006
10
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